IUBMB Enzyme Nomenclature


Accepted name: (–)-α-amorphene synthase

Reaction: (2E,6E)-farnesyl diphosphate = (–)-α-amorphene + diphosphate

For diagram of reaction click here

Glossary: (–)-α-amorphene = (1S,4aR,8aS)-4,7-dimethyl-1-(propan-2-yl)-1,2,4a,5,6,8a-hexahydronaphthalene

Systematic name: (2E,6E)-farnesyl-diphosphate diphosphate-lyase [cyclizing, (–)-α-amorphene-forming]

Comments: The enzyme, found in the bacterium Streptomyces viridochromogenes, is specific for (2E,6E)-farnesyl diphosphate and produces only (–)-α-amorphene.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number:


1. Rabe, P. and Dickschat, J.S. Rapid chemical characterization of bacterial terpene synthases. Angew. Chem. Int. Ed. Engl. 52 (2013) 1810-1812. [PMID: 23307484]

2. Rinkel, J., Rabe, P., Garbeva, P. and Dickschat, J.S. Lessons from 1,3-hydride shifts in sesquiterpene cyclizations. Angew. Chem. Int. Ed. Engl. 55 (2016) 13593-13596. [PMID: 27666571]

3. Rabe, P., Schmitz, T. and Dickschat, J.S. Mechanistic investigations on six bacterial terpene cyclases. Beilstein J. Org. Chem. 12 (2016) 1839-1850. [PMID: 27829890]

[EC created 2017]

Return to EC 4.2.3 home page
Return to EC 4.2 home page
Return to EC 4 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page